﻿using System;
using System.Collections.Generic;
using System.Text;

namespace 类和类成员
{
    class Teacher
    {

    }

    static void Main(string[] args)
    {
        Console.WriteLine("Hello World!");
    }
}

public class Telephone
{
    private string phone = "17605025824";
}

internal class Apple
{

}

public static class fruit
{
    static int number = 1;
}
}
